/* Library surfaces follow the site's Google Sans, purple and gold palette. */
.lib-page { --lib-paper:var(--cmuaa-paper,#fbfafc);--lib-white:var(--cmuaa-white,#fff);--lib-ink:var(--cmuaa-ink,#302836);--lib-purple:var(--cmuaa-purple,#47265e);--lib-muted:var(--cmuaa-muted,#706575);--lib-line:var(--cmuaa-line,#e4dfe7);--lib-soft:var(--cmuaa-purple-soft,#f1edf5);--lib-gold:var(--cmuaa-gold,#8b6426);color:var(--lib-ink);font-family:'Google Sans',sans-serif;font-size:16px;line-height:1.75;padding-top:32px;padding-bottom:90px; }
.lib-page * { box-sizing:border-box; }.lib-page :is(h1,h2,h3,p){margin:0}.lib-page a { color:var(--lib-purple); }.lib-page a:hover { text-decoration:underline;text-underline-offset:5px }.lib-page :focus-visible{outline:3px solid var(--lib-gold);outline-offset:4px}.lib-page [hidden]{display:none!important}
.lib-crumb{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--lib-muted);margin-bottom:52px}.lib-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:end;margin-bottom:48px}.lib-page .lib-eyebrow{color:var(--lib-gold);font-size:12px;letter-spacing:.1em;font-weight:600;margin-bottom:16px}.lib-intro h1{font-size:clamp(40px,4.5vw,66px);line-height:1.4;letter-spacing:-.025em;font-weight:600;text-wrap:balance}.lib-intro h1 span{color:var(--lib-purple)}.lib-intro-note{padding:0 0 8px 32px;border-left:1px solid var(--lib-line);color:var(--lib-muted)}.lib-book-line{display:block;font-size:48px;line-height:1;color:var(--lib-gold);margin-bottom:20px}
.lib-search{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,.4fr) auto;gap:20px;align-items:end;padding:24px 0 30px;border-top:1px solid var(--lib-line);border-bottom:1px solid var(--lib-line);margin-bottom:38px}.lib-search label,.lib-field{display:flex;flex-direction:column;gap:8px;min-width:0;margin:0;font-weight:400}.lib-search label>span,.lib-field>span{font-size:14px;color:var(--lib-muted)}.lib-search :is(input,select),.lib-field :is(input,textarea,select){width:100%;min-width:0;min-height:48px;padding:10px 14px;border:1px solid var(--lib-line);border-radius:8px;background:var(--lib-white);color:var(--lib-ink);font:inherit;font-size:16px;line-height:1.6}.lib-field textarea{resize:vertical;min-height:160px}.lib-field small,.lib-help{font-size:13px;color:var(--lib-muted)}
.lib-button{display:inline-flex;justify-content:center;align-items:center;gap:24px;min-height:48px;padding:11px 22px;border:1px solid var(--lib-purple);border-radius:8px;background:var(--lib-purple);color:#fff!important;font:inherit;font-size:14px;font-weight:600;text-decoration:none!important;cursor:pointer;transition:opacity .2s,transform .2s}.lib-button:hover{opacity:.88}.lib-button:active{transform:translateY(1px)}.lib-button:disabled{opacity:.6;cursor:wait}.lib-button-quiet{background:transparent;color:var(--lib-purple)!important;border-color:var(--lib-line)}
.lib-list-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 0 28px}.lib-list-heading h2{font-size:23px;font-weight:600}.lib-list-heading>span{color:var(--lib-muted);font-size:13px;flex:none}.lib-shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:48px 32px}.lib-book{min-width:0;display:flex;flex-direction:column}.lib-cover{display:block;aspect-ratio:3/4;width:100%;padding:0;background:var(--lib-soft);border-radius:2px 7px 7px 2px;overflow:hidden;box-shadow:5px 7px 16px #30283610;position:relative;transition:transform .25s,box-shadow .25s}.lib-cover:before{content:'';position:absolute;z-index:1;inset:0 auto 0 0;width:10px;box-shadow:inset 2px 0 3px #fff7,inset -2px 0 4px #30283617;pointer-events:none}.lib-cover:hover{transform:translateY(-5px) rotate(-.6deg);box-shadow:7px 12px 20px #30283616}.lib-cover>img{width:100%;height:100%;object-fit:contain;display:block}.lib-cover-fallback{height:100%;padding:24px 22px 26px 28px;display:flex;flex-direction:column;justify-content:space-between;color:var(--lib-purple);background:var(--lib-soft);border-top:4px solid var(--lib-gold);text-align:left}.lib-cover-fallback>span{font-size:9px;letter-spacing:.13em}.lib-cover-fallback>strong{font-weight:600;font-size:clamp(20px,1.8vw,29px);line-height:1.55;overflow-wrap:anywhere;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:6;overflow:hidden}.lib-cover-fallback>small{font-size:11px;color:var(--lib-muted)}.lib-page .lib-book-meta{font-size:12px;color:var(--lib-gold);margin:20px 0 7px}.lib-book h3{font-size:20px;line-height:1.6;font-weight:600;overflow-wrap:anywhere}.lib-page .lib-author{font-size:14px;color:var(--lib-muted);margin-top:7px}.lib-book-bottom{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;margin-top:auto;padding-top:16px}.lib-book-bottom>a{font-size:14px;font-weight:600}.lib-book-bottom .cmuaa-view-count{font-size:11px;color:var(--lib-muted)}.lib-empty{padding:64px 24px;text-align:center;border-top:1px solid var(--lib-line);border-bottom:1px solid var(--lib-line);color:var(--lib-muted)}.lib-empty h1,.lib-empty h3{font-size:25px;font-weight:500;color:var(--lib-ink);margin:12px 0}.lib-empty p{margin:12px auto 20px;max-width:520px}.lib-empty-book{font-size:50px;color:var(--lib-gold)}.lib-pagination{display:flex;justify-content:center;align-items:center;gap:20px;flex-wrap:wrap;margin-top:46px}.lib-pagination>span{font-size:13px;color:var(--lib-muted)}
.lib-read-page .lib-crumb{margin-bottom:30px}.lib-read-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:28px}.lib-read-heading h1{font-size:clamp(28px,3vw,44px);line-height:1.55;font-weight:600;max-width:900px;overflow-wrap:anywhere}.lib-read-heading p:not(.lib-eyebrow){margin-top:12px;color:var(--lib-muted);font-size:15px}.lib-read-meta{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;font-size:12px;color:var(--lib-muted);flex-shrink:0}.lib-reader{border:1px solid var(--lib-line);border-radius:12px;overflow:hidden;background:var(--lib-white);outline-offset:5px}.lib-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding:12px 16px;border-bottom:1px solid var(--lib-line);background:var(--lib-white)}.lib-toolbar :is(button,input){min-height:38px;border:1px solid var(--lib-line);background:var(--lib-white);color:var(--lib-purple);border-radius:6px;padding:6px 12px;font:inherit;font-size:13px;cursor:pointer}.lib-toolbar button:hover{background:var(--lib-soft)}.lib-toolbar button:disabled{opacity:.35;cursor:default}.lib-toolbar input{width:64px;padding:4px;text-align:center;font-variant-numeric:tabular-nums}.lib-page-controls,.lib-zoom-controls,.lib-page-controls form{display:flex;align-items:center;gap:8px;margin:0;font-size:13px}.lib-page-controls label{margin:0;font-weight:400}.lib-page-controls form>span{min-width:30px}.lib-zoom-controls>span{min-width:42px;text-align:center;font-size:12px}.lib-page .lib-reader-status{padding:7px 16px;font-size:12px;color:var(--lib-muted);min-height:35px;border-bottom:1px solid var(--lib-line)}.lib-reader-stage{height:clamp(420px,72vh,900px);padding:16px;overflow:auto;overscroll-behavior:contain;background:var(--lib-soft);text-align:center}.lib-reader-stage canvas{display:block;margin:0 auto;max-width:none;background:white;box-shadow:0 3px 18px #30283613}.lib-reader-bottom{display:flex;gap:20px;justify-content:flex-end;align-items:center;flex-wrap:wrap;padding:14px 16px;font-size:12px;border-top:1px solid var(--lib-line)}.lib-reader-bottom>span{margin-right:auto;color:var(--lib-muted)}.lib-reader:fullscreen{display:flex;flex-direction:column;width:100vw;height:100dvh;border:0;border-radius:0;background:var(--lib-white);padding:0}.lib-reader:fullscreen .lib-reader-stage{height:auto;flex:1;min-height:0}.lib-about-book{max-width:760px;margin-top:46px}.lib-about-book h2{font-size:23px;margin-bottom:16px}.lib-about-book p{white-space:normal;overflow-wrap:anywhere;color:var(--lib-muted)}.lib-back{display:inline-block;margin-top:32px}.lib-preview-note{background:var(--lib-soft);border-left:3px solid var(--lib-gold);padding:12px 16px;margin-bottom:25px!important;font-size:13px}
.lib-admin{background:#fbfafc}.lib-admin .lib-page{max-width:1240px;padding-top:38px}.lib-admin h1{font-size:30px;font-weight:600}.lib-admin-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}.lib-panel{background:var(--lib-white);border:1px solid var(--lib-line);border-radius:12px;padding:28px;margin-bottom:24px}.lib-panel h2{font-size:22px;font-weight:600;margin-bottom:22px}.lib-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.lib-span{grid-column:1/-1}.lib-field input[type=file]{padding:12px;font-size:13px}.lib-file-picker{margin-top:20px;padding:20px;background:var(--lib-soft);border-radius:8px}.lib-admin-cover{aspect-ratio:3/4;overflow:hidden;border-radius:3px;margin-bottom:22px;background:var(--lib-soft)}.lib-admin-cover>img{width:100%;height:100%;object-fit:contain}.lib-admin-cover .lib-cover-fallback>strong{font-size:25px}.lib-admin progress{display:block;width:100%;height:10px;margin-top:18px;accent-color:var(--lib-purple)}.lib-upload-status{font-size:13px;margin-top:12px!important;overflow-wrap:anywhere;color:var(--lib-gold)}.lib-upload-status.is-error,.lib-form-status{color:#a63a32}.lib-error,.lib-success{padding:20px 24px;border-radius:9px;margin-bottom:25px;border:1px solid var(--lib-line);background:var(--lib-soft);font-size:14px}.lib-error{background:#fff2f0;color:#8e322b;border-color:#e8b7b1}.lib-error h2{font-size:20px;margin-bottom:12px}.lib-success{color:#25604c;background:#edf7f2}.lib-help{margin-top:16px!important}.lib-save-bar{position:sticky;bottom:12px;z-index:15;display:flex;align-items:center;gap:20px;padding:14px 20px;background:var(--lib-white);border:1px solid var(--lib-line);border-radius:10px}.lib-save-bar>span{margin-right:auto;font-size:13px;color:var(--lib-muted)}.lib-save-bar>a{font-size:14px}.lib-form-status{font-size:14px;padding:12px 0}.lib-admin-table{overflow:auto;border:1px solid var(--lib-line);border-radius:10px}.lib-admin-table table{border-collapse:collapse;width:100%;min-width:700px;background:var(--lib-white)}.lib-admin-table th,.lib-admin-table td{text-align:left;padding:18px 20px;border-bottom:1px solid var(--lib-line);font-size:14px;vertical-align:top}.lib-admin-table th{background:var(--lib-soft);font-size:13px;font-weight:500}.lib-admin-table td:first-child{width:45%}.lib-admin-table small{display:block;color:var(--lib-muted);margin-top:5px;font-size:12px}.lib-admin-table td:last-child{white-space:nowrap}.lib-setup>p{margin-bottom:24px}
@media(max-width:1000px){.lib-shelf{grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 24px}.lib-admin-layout{grid-template-columns:minmax(0,1fr) 280px}.lib-toolbar{justify-content:center}.lib-read-heading{display:block}.lib-read-meta{justify-content:flex-start;margin-top:16px}.lib-intro{gap:30px}.lib-read-heading h1{font-size:32px}}
@media(max-width:700px){.lib-page{padding-top:22px;padding-bottom:60px}.lib-crumb{margin-bottom:32px}.lib-intro{display:block;margin-bottom:30px}.lib-intro h1{font-size:40px}.lib-intro-note{margin-top:24px;padding:0;border:0;font-size:15px}.lib-book-line{display:none}.lib-search{grid-template-columns:1fr auto;gap:14px}.lib-search>label:first-child{grid-column:1/-1}.lib-shelf{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 20px}.lib-cover-fallback{padding:15px 12px 17px 18px}.lib-cover-fallback>strong{font-size:20px;-webkit-line-clamp:5}.lib-cover-fallback>span{font-size:8px;letter-spacing:.04em}.lib-cover-fallback>small{font-size:10px}.lib-book h3{font-size:17px}.lib-page .lib-book-meta{font-size:11px;margin-top:15px}.lib-author{font-size:12px!important}.lib-list-heading h2{font-size:21px}.lib-empty{padding:40px 16px}.lib-toolbar{padding:10px 8px;gap:10px}.lib-toolbar :is(button,input){font-size:12px;padding:6px 9px;min-height:38px}.lib-toolbar input{width:55px}.lib-zoom-controls{gap:5px}.lib-reader-stage{height:65vh;min-height:350px;padding:12px}.lib-reader-bottom{gap:12px;justify-content:flex-start;padding:14px}.lib-reader-bottom>span{flex-basis:100%}.lib-read-heading h1{font-size:27px}.lib-reader{border-radius:8px}.lib-admin .lib-page{padding:24px 16px 50px}.lib-admin-layout{display:block}.lib-panel{padding:22px 18px}.lib-form-grid{grid-template-columns:1fr}.lib-admin-cover{max-width:240px}.lib-admin .lib-list-heading{align-items:flex-start;gap:12px}.lib-admin h1{font-size:26px}.lib-admin .lib-list-heading .lib-button{padding:10px 14px;gap:8px}.lib-save-bar{bottom:6px;padding:12px;gap:12px}.lib-save-bar>span{display:none}.lib-save-bar>.lib-button{margin-left:auto}.lib-file-picker{padding:14px}.lib-reader:fullscreen .lib-reader-bottom>span{display:none}}
.lib-reader-stage{perspective:1500px;perspective-origin:50% 45%;position:relative}
.lib-reader-scene{position:relative;margin:0 auto;perspective:1500px;perspective-origin:50% 45%;text-align:left}
.lib-reader-scene>canvas{margin:0;user-select:none;-webkit-user-select:none;-webkit-user-drag:none}
.lib-reader-stage.is-swipeable{touch-action:pan-y pinch-zoom;overscroll-behavior:auto;cursor:grab;user-select:none;-webkit-user-select:none}
.lib-reader-stage.is-pannable{touch-action:auto;cursor:grab}
.lib-reader-stage.is-dragging{cursor:grabbing;user-select:none;-webkit-user-select:none}
.lib-reader-stage.is-loading{cursor:progress}
.lib-turn-sheet{position:absolute;inset:0 auto auto 0;z-index:2;transform-style:preserve-3d;pointer-events:none;will-change:transform,opacity;filter:drop-shadow(5px 3px 9px #30283626)}
.lib-turn-sheet.is-next{transform-origin:left center}.lib-turn-sheet.is-previous{transform-origin:right center}
.lib-turn-front,.lib-turn-back{position:absolute;inset:0;width:100%;height:100%;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.lib-reader-stage .lib-turn-front{width:100%;height:100%;margin:0;box-shadow:none}
.lib-turn-back{transform:rotateY(180deg);background:linear-gradient(90deg,#e9e4dc,#fffdf8 16%,#fff 82%,#e8e3dc);box-shadow:inset 0 0 1px #b9ad9a}
.lib-turn-sheet:after{content:'';position:absolute;inset:0;backface-visibility:hidden;pointer-events:none;background:linear-gradient(90deg,#33273d20,transparent 12%,transparent 88%,#33273d0d)}
.lib-turn-sheet.is-previous:after{transform:rotateY(180deg)}
@media(prefers-reduced-motion:reduce){.lib-page *{transition:none!important}.lib-turn-sheet{display:none!important}}